This OTDR can test the length, fiber loss connector loss and other physical characteristics of fiber. Meanwhile, With a short 1.6m dead zone and up to 65534 sampling points, the AV6416 Palm Optical Time Domain Reflectometer can locate events on fiber cables precisely. It is really the tool of choice for FTTx application installation and maintenance as well as for fiber R&D and producing testing. AV6416 rugged design, lightweight and easy operation, as well as the low-reflection LCD and more than 10 hours battery life make it be perfect in filed testing.